[stderr]
/gpfs/share/apps/spaceranger/1.2.1/mro/rna/stages/analyzer/merge_clusters/__init__.py:104: FutureWarning: Method .as_matrix will be removed in a future version. Use .values instead.
  medoids = pca_df.groupby("cluster").apply(lambda x: x.median(axis=0)).as_matrix()[:, :-1]
Computing 16513 exact tests and 395 asymptotic tests.
